Skill Level: Beginner Experience the exhilaration of model rocketry with the Estes Mini Bertha, a new miniature take on an Estes classic! Designed for a Beginner skill level, this miniature rocket is perfect for both new and experienced rocketeers! The Estes Mini Bertha is designed to use mini engines (13MM), offering an ideal blend of power and simplicity, making it a perfect choice for those taking their first steps into the realm of rocketry. WHAT YOU NEED TO BUILD: Nothing. This is a snap-together model. Specifications Length: 25.3cm Estimated Weight: 19g Projected Max Altitude: 650ft. (200m) Recovery: Streamer Construction Video* Mini Bertha Rocket assembly

Skill Level: Expert Unleash the thrill of expert-level rocketry with the Athena H Pro Series II rocket! Modeled after the historic Athena H #3, this advanced kit invites rocketeers to embark on a challenging and rewarding build, capturing the essence of one of history's iconic reentry sounding rockets. Perfect for those looking to push their skills to the limit, the Athena H combines historical significance, precision engineering, and an unforgettable launch experience. Powered by 29mm D, E, or F Estes engines, the Athena H is designed to soar to a dazzling altitude of 1,200 feet! Each launch showcases the power and precision of the engines, delivering a breathtaking experience as the

Skill Level: Advanced Advanced kit, ideal for experienced hobbyistsDurable, lightweight thin-wall fiberglass constructionIncludes 22" of 54mm lightweight airframe pre slotted38mm fiberglass motor mount5-1 filament wound fiberglass aluminum-tipped nose cone2 G10 fiberglass centering rings1/16" thick G10 fiberglass finsCNC machined stepped bulk plates for the avbayVent band Specifications Length: 34 inchesDiameter: 2.1 inchesMotor Mount: 38mmRecovery System: Not Included Description The Punisher SS (Super Sport) is the big brother to the Punisher Sport. Unlike the regular Sport kit, the Punisher SS has a 38mm motor mount and features our new filament wound nosecone. Wildman Head End

The magnetic switch is reliable and easy to use in any rocket installation without needing any exterior holes to be drilled or aligned. 3 combination mounting holes and wire terminals, with built-in solder holes for flexible, easy installation On/Off activation range of 1” with a small rare-earth magnet (included) Small footprint of 0.75” x 0.55” (1.4 cm x 1.9 cm) Current capability of 20 Amps for one second, or 12 Amps continuously. Flexible input voltage range of 2.9 to 16 V Low quiescent current draw of under 3 micro-Amps. This switch can be left in standby for over a week without significantly draining even a tiny 135 mAhr lithium polymer battery. 100% solid-state surface-mount

The easiest way to install a Raven to your sled. Just screw it down and fly! Provides a built-in connector for your Raven. Just tighten the Raven's screw terminals, plug in the battery, and the electrical connections are done! Provides deployment charge electrical terminals for all 4 Raven outputs, with convenient double-wire terminals. Includes a magnetically-activated arm switch works like magic to turn your Raven on or off. No need to align and drill your airframe for arm switches. Magnet Included 24 grams including altimeter and battery, about half the weight of a 9V battery alone. Makes it easy to transfer a Raven altimeter between rockets

6v replacement battery for Estes Altimeter. Same is 11A, A11, CA21, CX21A, E11A, G11A, GP11A, L1016, 11, MN11, WE11A

The Featherweight GPS Tracker Full System is a tracking solution crafted for model rocketry enthusiasts. It employs cutting-edge technology to transmit crucial flight data, including position, speed, orientation and GPS signal strength, all from very compact trackers. The comprehensive system includes a ground station with an internal battery, one tracker and one tracker batteries. The compact size of the trackers ensures seamless integration into rockets as small as one inch in diameter. These units provide real-time updates through an app (Featherweight UI) compatible with iOS and Android devices, featuring a synthetic voice to announce crucial flight information. The advanced GPS

Featherweight GPS Tracker [FWA-GPS-T] The Featherweight GPS Tracker [FWA-GPS-T] is a compact and powerful unit designed for model rocketry enthusiasts who need precise real-time tracking capabilities. Its small size, and flexible wire whip antenna allows it to fit seamlessly into rockets as small as one inch in diameter, making it versatile for various model types. This advanced tracker transmits crucial flight data, such as position, speed, orientation, and GPS signal strength, directly to the Featherweight UI app, compatible with both iOS and Android devices. With its cutting-edge GPS technology, this tracker ensures you always have access to real-time updates, enabling detailed

The same antenna included with ground station or tracker and used for long-range LoRa link between ground station and tracker. Available separately in case an antenna is lost or damaged. Covers 902-925 MHz band, with nearly-omnidirectional gain.

This battery is suitable for Featherweight GPS Ground Station. Please read the full description below. This is a lightweight battery based on advanced Polymer Lithium Ion (LiPo) chemistry, which offers the highest energy density currently in production. Each cell provides a nominal output of 3.7V at 850mAh capacity, making it a dependable and efficient power source. The battery includes built-in overcurrent protection circuitry, providing an added layer of safety for powering general electronics and low-to-moderate current applications. Like its counterpart without overcurrent protection, this battery comes terminated with a JST PH 2.0 connector; however, it is important to note that the